(feat) screenname (x-aim) is now shown and editable

UI/WebServerResources/js/Contacts/CardController.js

@@ -22,6 +22,7 @@
     vm.userFilterResults = [];
     vm.addOrgUnit = addOrgUnit;
     vm.addBirthday = addBirthday;
+    vm.addScreenName = addScreenName;
     vm.addEmail = addEmail;
     vm.addPhone = addPhone;
     vm.addUrl = addUrl;
@@ -43,6 +44,9 @@
     function addBirthday() {
       vm.card.birthday = new Date();
     }
+    function addScreenName() {
+      vm.card.$addScreenName('');
+    }
     function addEmail() {
       var i = vm.card.$addEmail('');
       focus('email_' + i);